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Re: [PLUG] Cannot get ext2 partition on usb enclosure
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Is the usb-storage kernel module loaded?
--- John Lavin <jlavin@wayreth.net> wrote:
> Hi, and Happy New Year All,
>
> I bought myself a usb 2.0 hard drive enclosure to
> put an extra internal
> 30 gig drive I had come into possession of. I
> started fresh and created
> a new ext2 partition, formatted it and copied my
> mp3's over to
> re-organize and fill out all the id3 tags. This
> went fine yesterday and
> I got a lot of them done.
>
> This morning when I booted up, I couldn't mount the
> partition:
> # mount -t ext2 /dev/sda1 /mnt/usb
>
> mount: wrong fs type, bad option, bad superblock on
> /dev/sda1,
> or too many mounted file systems
>
> I went into fdisk and there were NO partitions
> listed. Argh!
>
> Next, went into parted and tried to do a rescue,
> knowing that it was a
> partition that spanned the whole drive. I didn't
> find any partitions
> and got this error:
>
> Using /dev/sda
> Error: Unable to open /dev/sda - unrecognised disk
> label.
>
> went back to fdisk and noticed the following:
>
> Device contains neither a valid DOS partition table,
> nor Sun, SGI or OSF
> disklabel Building a new DOS disklabel. Changes will
> remain in memory
> only, until you decide to write them. After that, of
> course, the
> previous content won't be recoverable.
>
> ...
>
> Warning: invalid flag 0x0000 of partition table 4
> will be corrected by
> w(rite)
>
> I hit w and went back to parted. I could now
> recognize the drive as:
> Disk geometry for /dev/sda: 0.000-28629.562
> megabytes
>
> ...but when I tried the rescue command using a from
> of: 0.0 and
> 28629.562 I found no partitions.
>
> So, I thought maybe I didn't see the invalid disk
> label and I didn't
> actually write the partition to the drive, but the
> data could still be
> there. I did a:
> (parted) mkpart ext2 0.0 28629.562
>
> To create a partition without creating a filesystem.
> I see the
> partition but still no good:
>
> # mount -t ext2 /dev/sda1 /mnt/usb
> mount: wrong fs type, bad option, bad superblock on
> /dev/sda1,
> or too many mounted file systems
>
> # file -sL /dev/sda1
> /dev/sda1: data
>
> in the logs I see:
> Jan 2 08:43:00 elemental kernel: VFS: Can't find
> ext2 filesystem on dev
> sd(8,1).
>
> So... its still not finding the filesystem.
>
> My question would be - if I do a mkpartfs instead of
> a mkpart,
> will I be overwriting my data? Is there any other
> way to get this
> data back? I have all my mp3's but I spent a lot of
> time organizing
> them yesterday.
>
> TIA,
> -john
>
> --
> John Lavin <jlavin@wayreth.net>
> http://www.wayreth.net
>
> My country is the world. My countrymen are mankind.
> --Thomas Paine
>
>
>
>
> ATTACHMENT part 1.2 application/pgp-signature
name=signature.asc
>
___________________________________________________________________________
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> http://www.phillylinux.org
> Announcements -
>
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>
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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